Sodium 3-mercapto-1-propanesulfonate
Sodium 3-mercapto-1-propanesulfonate (CAS 17636-10-1), with the linear formula HSCH₂CH₂CH₂SO₃Na and a molecular weight of 178.21 g/mol, is a sulfur-containing organic compound. It serves as a valuable building block and intermediate in chemical synthesis, particularly within the realm of organic chemistry. This compound finds application in the development of specialized materials and complex organic molecules, contributing to advancements in various chemical research and industrial sectors.
- IUPAC
- 3-Mercapto-1-propanesulfonic acid sodium salt,MPS
- Synonyms
- 3-Mercapto-1-propanesulfonic acid sodium salt,MPS

Organic Synthesis Intermediate
Used as a versatile building block in organic synthesis for creating more complex molecular structures. Its unique functional groups enable diverse chemical transformations.
Material Science Research
Investigated for its potential role in the development of novel materials. The sulfonate and mercaptan functionalities can impart specific properties to polymers or surfaces.
Specialty Chemical Development
Contributes to the synthesis of specialty chemicals where sulfur and sulfonate groups are required for specific performance characteristics.
| Molecular weight | 178.21 |
|---|---|
| Linear formula | HSCH2CH2CH2SO3Na |
| Assay | ~80% (RT) |
| Melting point | ~220 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 71 °C / 159.8 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sodium 3-mercapto-1-propanesulfonate used for?
+
Sodium 3-mercapto-1-propanesulfonate (CAS 17636-10-1) is primarily used as a building block and intermediate in organic synthesis and for research in material science.
What are the CAS number and chemical formula for Sodium 3-mercapto-1-propanesulfonate?
+
The CAS number is 17636-10-1 and the linear formula is HSCH₂CH₂CH₂SO₃Na.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Sodium 3-mercapto-1-propanesulfonate with an assay of approximately 80% (RT). This is typically considered a research or technical grade; TSS does not represent it as USP, BP, or EP.
What are the safety and handling precautions for this chemical?
+
This compound is classified with GHS07 signal word 'Warning' and hazard statements H315, H319, H335. It causes skin irritation, serious eye irritation, and may cause respiratory irritation. Recommended personal protective equipment includes a dust mask (type N95), eyeshields, and gloves. Handle in a well-ventilated area and avoid breathing dust. Store in a tightly closed container.
How is Sodium 3-mercapto-1-propanesulfonate packed and exported?
+
Tech Serve Solutions packs and exports chemicals with careful attention to safety regulations and product integrity, ensuring compliance with international shipping standards for chemical goods.
How can I request a quote or sample?
+
To request a quote or sample of Sodium 3-mercapto-1-propanesulfonate, please contact our sales team through the website or by phone, providing your contact details and the quantity required.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis